When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
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A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
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15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
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Parrot parents "name" their children with a signature call.
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